Ventilator housing



FIG. 1 is a perspective view of a ventilator housing showing my new design;

FIG. 2 is an exploded perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left end elevational view thereof;

FIG. 6 is a right end elevational view thereof; and

FIG. 7 is a bottom plan view thereof. 

The ornamental design for ventilator housing, as shown. 